i really can't believe this. if this is true the 160 mhz mode would not
make any sense.
the maximum tx / rx rate for 4x4 vht80 and 2x2 vht160 is identical. so
vht160 would not increase performance in any way
Am 10.02.2017 um 23:58 schrieb Ben Greear:
So, it appears that the ath10k QCA9984 4x4 160Mhz chip can do 4x4 MIMO
at VHT80, but
it can do only 2x2 MIMO at VHT160/80+80.
When configuring a peer, we need to tell the firmware the number of
spatial streams
of the peer at VHT160 and at VHT80 and lower. They are not the same
value.
I cannot think of any standard way to get this information based on
VHT capabilities
and such. Currently, one could just assume VHT160 NSS is 1/2 of the
VHT80 NSS,
but that is unlikely to be true for all vendors.
Any ideas?
Thanks,
Ben
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